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| author | Tao Xia <xiatao5@huaqin.corp-partner.google.com> | 2021-03-04 14:00:42 +0800 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2021-03-15 06:30:59 +0000 |
| commit | b01a4c57577cc8f2834cf5a1467552ca3157c80e (patch) | |
| tree | efe010642c3f9c1d10abcbc060ccbb13ac76ffab /src/mainboard | |
| parent | f3a8bf13cbfc43e45f0bb6e451608a082b59f7bf (diff) | |
| download | coreboot-b01a4c57577cc8f2834cf5a1467552ca3157c80e.tar.xz | |
mb/google/dedede/var/sasukette: Add USB2 PHY parameters
This change adds fine-tuned USB2 PHY parameters for sasukette.
BUG=180753635
TEST=Built and verified USB2 eye diagram test result
Signed-off-by: Tao Xia <xiatao5@huaqin.corp-partner.google.com>
Change-Id: I5612e7dcca15b340763dee1475e979ee551a2146
Reviewed-on: https://review.coreboot.org/c/coreboot/+/51247
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: zanxi chen <chenzanxi@huaqin.corp-partner.google.com>
Reviewed-by: Karthik Ramasubramanian <kramasub@google.com>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/dedede/variants/sasukette/overridetree.cb | 25 |
1 files changed, 24 insertions, 1 deletions
diff --git a/src/mainboard/google/dedede/variants/sasukette/overridetree.cb b/src/mainboard/google/dedede/variants/sasukette/overridetree.cb index fe7a2dd27e..ad9facde55 100644 --- a/src/mainboard/google/dedede/variants/sasukette/overridetree.cb +++ b/src/mainboard/google/dedede/variants/sasukette/overridetree.cb @@ -49,7 +49,30 @@ chip soc/intel/jasperlake }" # USB Port Configuration - register "usb2_ports[5]" = "USB2_PORT_MID(OC_SKIP)" # Camera + register "usb2_ports[2]" = "{ + .enable = 1, + .ocpin = OC_SKIP, + .tx_bias = USB2_BIAS_0MV, + .tx_emp_enable = USB2_DE_EMP_ON_PRE_EMP_ON, + .pre_emp_bias = USB2_BIAS_28P15MV, + .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, + }" # Type-A + register "usb2_ports[3]" = "{ + .enable = 1, + .ocpin = OC_SKIP, + .tx_bias = USB2_BIAS_0MV, + .tx_emp_enable = USB2_DE_EMP_ON_PRE_EMP_ON, + .pre_emp_bias = USB2_BIAS_16P9MV, + .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, + }" # WWAN + register "usb2_ports[5]" = "{ + .enable = 1, + .ocpin = OC_SKIP, + .tx_bias = USB2_BIAS_0MV, + .tx_emp_enable = USB2_DE_EMP_ON_PRE_EMP_ON, + .pre_emp_bias = USB2_BIAS_28P15MV, + .pre_emp_bit = USB2_HALF_BIT_PRE_EMP, + }" # Camera device domain 0 on device pci 14.0 on |